XIX. _Directions concerning the use of the electrical apparatus, with some practical rules for performing experiments with it, to the best advantage._ 68 DIVISION II. I. _Entertaining experiments made by electrical attraction and repulsion._ 73 II. _Experiments with electric light._ 79 III. _Experiments with charged electrics._ 86 IV. _Experiments relating to the influence of pointed bodies on electricity._ 92 V. _Promiscuous experiments._ 94 DIVISION III. I. _Introductory observations to the theory of electricity._ 105 II. _Theories of electricity, exclusively of that of Franklin._ 108 III. _The Franklinian theory of electricity._ 116 APPENDIX. No. I. _A description of the cement used for electrical purposes._ 125 II. _A composition for coating cylinders or globes._ 125 III. _To make the best kind of amalgam for exciting electrics._ 126 IV. _The preparation of electrical paint._ 126 V. _To make the artificial bolognian stone._ 127 CONTENTS OF THE EPITOME OF _GALVANISM_. Chap. Page. I. _A short account of the discovery of Galvanism._ 129 II. _Of the animals best fitted for Galvanic experiments; of the metals best calculated for making these experiments; and of conductors._ 131 III. _A description of the Galvanic trough and pile._ 134 IV. _The method of performing Galvanic experiments with frogs; with some conclusions drawn from them._ 138 V. _Various experiments with the Galvanic pile._ 140 VI. _Experiments on the deflagration of metals by the Galvanic pile._ 143 VII. _Further Galvanic experiments on metals, and on other substances._ 145 VIII. _Experiments which may be performed without the assistance of the battery._ 148 IX. _Some common effects which are supposed to be occasioned by Galvanism._ 150 X. _The effects of Galvanism on vegetables._ 152